- `apiserver_authentication_config_controller_last_config_info` metric after successfully loading the authentication configuration file.
  - `apiserver_authorization_config_controller_last_config_info` metric after successfully loading the authorization configuration file.

- Implemented logging for failed transactions and the full table in `kube-proxy` with 
`nftables` when using log level 4 or higher. Logging is rate-limited to one entry every 24 hours 

    * Remove metadata agent config maps in favor of command line flags.
    * Update the metadata agent's liveness probe to a new /healthz handler.
    * Logging Agent Improvements
    * Bump logging agent version to 0.2-1.5.33-1-k8s-1.
    * Appropriately set log severity for k8s_container.
    * Fix detect exceptions plugin to analyze message field instead of log field.

  Migrated the `PersistentVolumeClaim` protection controller (within `kube-controller-manager`) to use [contextual logging](https://k8s.io/docs/concepts/cluster-administration/system-logs/#contextual-logging).

- Allow expansion of ephemeral volumes ([#109987](https://github.com/kubernetes/kubernetes/pull/109987), [@gnufied](https://github.com/gnufied)) [SIG Node and Storage]
- Apiserver: fixed audit of loading more than one webhooks. ([#110145](https://github.com/kubernetes/kubernetes/pull/110145), [@sxllwx](https://github.com/sxllwx))

* Upgrade Stackdriver Logging Agent addon image to 0.6-1.6.0-1 to use Fluentd v1.2. This provides nanoseconds timestamp granularity for logs. ([#70954](https://github.com/kubernetes/kubernetes/pull/70954), [@qingling128](https://github.com/qingling128))

0_xBadFace  // invalid: _ must separate successive digits
</pre>


<h3 id="Floating-point_literals">Floating-point literals</h3>

<p>
A floating-point literal is a decimal or hexadecimal representation of a
<a href="#Constants">floating-point constant</a>.
</p>

<p>
A decimal floating-point literal consists of an integer part (decimal digits),

* Windows kube-proxy will wait for HNS network creation on start ([#78612](https://github.com/kubernetes/kubernetes/pull/78612), [@ksubrmnn](https://github.com/ksubrmnn))
* Fix error handling for loading initCfg in kubeadm upgrade and apply ([#78611](https://github.com/kubernetes/kubernetes/pull/78611), [@odinuge](https://github.com/odinuge))

* Fix garbage collection and resource quota when the controller-manager uses --leader-elect=false ([#57340](https://github.com/kubernetes/kubernetes/pull/57340), [@jmcmeek](https://github.com/jmcmeek))
* kube-apiserver: fixes loading of `--admission-control-config-file` containing AdmissionConfiguration apiserver.k8s.io/v1alpha1 config object ([#58441](https://github.com/kubernetes/kubernetes/pull/58441), [@liggitt](https://github.com/liggitt))

#### GKE
* New GKE certificates controller. ([#41160](https://github.com/kubernetes/kubernetes/pull/41160), [@pipejakob](https://github.com/pipejakob))

#### vSphere